Independent test result
L-Glutathione
by Hydro Research Peptides· batch HYDROJ9Y2WD6
99.21 %
measured purity(HPLC)· November 20, 2025
- HPLC purity
- 99.208
How this batch compares
This batch measured 99.21%, 0.37 pts below the all-vendor average of 99.57% across 31 COAs from 13 vendors.
98.6% 100.0%
This batch 99.21% Peptide avg (31 COAs) 99.57%
Where to buy